I was glad to find this article and especially liked the promise of it. 

https://developer.android.com/training/articles/wear-location-detection.html

"However, when you request location data in a wearable app, you don't have 
to worry about where the location data originates; the system retrieves the 
location updates using the most power-efficient method."

So I've implemented it.

Only one problem.

It don't work.

A colleague claims to have received location in an emulator with some 
effort.

Nothing happens in a Gear Live. I've set breakpoints.
RequestLocationUpdates is called.
onLocationChanged is never called. Ever.
In fact, it appears that the ResultCallBack passed in 
requestLocationUpdates is never called.

The only thing that does happen is if I request high accuracy is it crashes 
    java.lang.SecurityException: Client must have ACCESS_FINE_LOCATION 
permission to request PRIORITY_HIGH_ACCURACY locations.

Even though    
 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
is clearly in the manifest after manifest tag and before application tag

Nathan

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